The flea beetle genus Lanka (Coleoptera: Chrysomelidae) in India with descriptions of three new species and notes on the identity of the pollu beetle infesting black pepper, Piper nigrum Author Prathapan, K. D. Author Viraktamath, C. A. text Zootaxa 2008 2008-01-16 1681 1 1 30 https://biotaxa.org/Zootaxa/article/view/zootaxa.1681.1.1 journal article 10.11646/zootaxa.1681.1.1 1175­5334 5106885 Key to the species of Lanka of the Indian subcontinent 1 Head and pronotum black; in ventral view, aedeagus greatly broadened distally ........ L. brunnea (Maulik) - Head and pronotum yellow, brown or red; in ventral view, aedeagus narrowed distally...........................2 2 Head, pronotum and elytron bright red; antennomeres 3–10 entirely piceous; antenna not passing beyond 1/3 of elytron over pronotum; length 3.2–3.6mm ; spermathecal duct with bends, not coiled; vaginal palpus transversely wrinkled in proximal 1/3 .................................................................. L. aruna New species - Dorsum entirely light brown with black elytral suture or head and pronotum yellow and elytra black; antennomeres 3–10 entirely light brown or yellow; antenna reaching middle of elytra or beyond over pronotum; length 2.2–2.8mm ; spermathecal duct coiled; vaginal palpus not transversely wrinkled in proximal 1/3........................................................................................................................................................3 3 Head and pronotum yellow, elytron black; receptacle of spermatheca with parallel sides in proximal 2/3 near pump, narrowed in distal 1/3 towards duct; elytral rows of punctures regular and countable in proximal half .......................................................................................................... L. ramakrishnai New species - Dorsum entirely light brown with black elytral suture; receptacle of spermatheca with parallel sides in proximal 1/3 near pump, narrowed like a funnel in distal 2/3 towards duct; elytral rows irregular, uncountable ................................................................................................................. L. sahyadriensis New species